I consider myself an expert now at April Fool's Day. That's kind of what happens when you have trolls for parents: you learn it's a dog-eat-dog world of short-sheeting, unscrewed salt shakers, and being woken up at the crack of dawn by air horns. And then you learn how to plot revenge. Many pranks are decidedly traumatic and destructive, some are elaborate and time-consuming hoaxes, and others are simply done to death. Many will require your aid to fix, such as when you decide you're going to …